package com.aug.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class HelloServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //1、获取前端参数
        String method = req.getParameter("method");
        if("add".equals(method)){
            req.setAttribute("msg","执行了add方法");
        }
        if("delete".equals(method)){
            req.setAttribute("msg","执行了delete方法");
        }
        //2、调用业务层

        //3、试图转发或重定向
        req.getRequestDispatcher("/WEB-INF/jsp/hello.jsp").forward(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }
}
